El senador adelantó que tampoco se postulará para gobernador de Florida ni buscará la reelección como senador
Somos los únicos con posibilidades matemáticas de derrotar a Trump, aseguró el senador por Texas tras la salida de Marco Rubio de la contienda
Roberta Jacobson has been waiting to be confirmed for nine months.
Rubio is the decided underdog to the billionaire businessman in Tuesday's contest.
Rubio won the caucuses in Minnesota and the party's primary in Puerto Rico.
Trump said that Rubio had “a very, very bad night,” and said that it’s time for the race to be a two-man contest between him and Cruz.
But he still lags far behind rivals Donald Trump and Ted Cruz.
The debate was the candidates' first face-to-face gathering since Super Tuesday nominating contests this week gave extra momentum to Trump but did not knock out his rivals.
Republican presidential hopeful Marco Rubio has no plans to allow a vote on President Barack Obama's nominee to be ambassador to Mexico.